tex/lilypond-tex-metrics.tex

   1 %
   2 % lilymetrics.tex
   3 %
   4 \catcode `\@=11\relax
   5
   6 \newdimen\lily@globalscale
   7 \newdimen\lily@localscale
   8 \newbox\lily@metricsbox
   9 \newwrite\lily@metricsfile
  10
  11 \def\lilyglobalscale#1{%
  12   \lily@globalscale #1pt
  13 }
  14
  15 \def\lilymetricsfile#1{%
  16   \immediate\openout\lily@metricsfile #1\relax
  17 }
  18
  19 \begingroup
  20   \catcode `P=12
  21   \catcode `T=12
  22   \lowercase{%
  23     \def\x{%
  24       \def\lily@rempt##1.##2PT{%
  25         ##1\ifnum ##2 > \z@ .##2\fi
  26       }%
  27     }%
  28   }
  29 \expandafter\endgroup\x
  30
  31 \def\lily@strippt{%
  32   \expandafter\lily@rempt
  33 }
  34
  35 \long\def\lilygetmetrics#1#2#3#4{%
  36   \lily@localscale #3\lily@globalscale
  37   % convert pt to 1000*sp (1000/65536)
  38   \lily@localscale 0.015259\lily@localscale
  39   \font\lily@font = #2 scaled \lily@localscale
  40   \setbox\lily@metricsbox\hbox{%
  41     \lily@font
  42     #4%
  43   }%
  44   \edef\lily@wd{\the\wd\lily@metricsbox}%
  45   \edef\lily@ht{\the\ht\lily@metricsbox}%
  46   \edef\lily@dp{\the\dp\lily@metricsbox}%
  47   \immediate\write\lily@metricsfile{%
  48     ("#1" . (\lily@strippt\lily@wd
  49            \space\lily@strippt\lily@ht
  50            \space\lily@strippt\lily@dp))%
  51   }%
  52 }
  53
  54 \catcode `\@=13\relax
  55
  56 \endinput